element
Information about Holmium-173:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:172.947290±0.000430amu #
    Excess Mass (Δ):-49.099000±0.401000MeV #
    Binding Energy:1393.020000±0.401000MeV #
    β- Decay Energy:4.555000±0.446000MeV #
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.